Toothbrush



FIG. 1 is a rear elevation view of my new design for a toothbrushwherein the subject matter shown in dashed lines is disclaimed asforming no part of the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a left side elevation view thereof, the right side being amirror image thereof;

FIG. 4 is a rear elevation view of an alternate embodiment, with theshading designating tonal contrast, wherein the subject matter shown indashed lines is disclaimed as forming no part of the claimed design;

FIG. 5 is a front elevation view thereof; and,

FIG. 6 is a left side elevation view thereof, the right side being amirror image thereof.

The ornamental design for toothbrush, as shown and described.